In this study, biological activity of flavonoids from plants. Flavonoids is a substance found naturally in many plants, and found in the composition of plants such as flowers, leaves, fruit, etc., which flavonoids health benefits both prevention and treatment. Play a role in the antioxidant activity. Whether cancer, arthritis, allergies, high blood pressure. The flavonoids also improves the work efficiency of vitamin A, vitamin C, and enhances the immune system. And blood vessels, prevent allergy.Flavonoids compounds dissolve in water. Do bus to excess is excreted from the body in the urine. Therefore, no poison and side effects of any kind. Free radicals are atoms or molecules with unpaired electrons. Many diseases are caused by free radicals, for instance, aging, cancer, Normally free radical formation is controlled naturally by various beneficial compounds known as antioxidants.
Result showed the important of flavonoid from Plants in antioxidant activity. The efficiency test of flavonoids in antioxidant activity from quantification of total flavonoids content and determination of DPPH radio scavenging activity.